package com.xyhua.mybatisplus.config;

import com.baomidou.mybatisplus.core.config.GlobalConfig;
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.pagination.optimize.JsqlParserCountOptimize;

import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * description: MyBatisPlusConfig <br>
 * date: 2020/3/24 1:12 下午 <br>
 * author: huaxiansheng <br>
 * version: 1.0 <br>
 */
@Configuration
@MapperScan("com.xyhua.mybatisplus.mapper")
public class MyBatisPlusConfig {
    @Bean
    public PaginationInterceptor paginationInterceptor() {
        PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
        // 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
        // paginationInterceptor.setOverflow(false);
        // 设置最大单页限制数量，默认 500 条，-1 不受限制
        // paginationInterceptor.setLimit(500);
        // 开启 count 的 join 优化,只针对部分 left join
        paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
        return paginationInterceptor;
    }
//
//    @Bean
//    public GlobalConfig globalConfig() {
//        GlobalConfig globalConfig = new GlobalConfig();
//        globalConfig.setMetaObjectHandler(new MetaHandler());
//        return globalConfig;
//    }
}
